/**
* Output WCS DescribeCoverage response
*/
void writeDescribeCoverage( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request, QgsServerResponse &response )
{
QgsAccessControl *accessControl = nullptr;
#ifdef HAVE_SERVER_PYTHON_PLUGINS
accessControl = serverIface->accessControls();
#endif
QDomDocument doc;
const QDomDocument *describeDocument = nullptr;
QgsServerCacheManager *cacheManager = nullptr;
#ifdef HAVE_SERVER_PYTHON_PLUGINS
cacheManager = serverIface->cacheManager();
#endif
if ( cacheManager && cacheManager->getCachedDocument( &doc, project, request, accessControl ) )
{
describeDocument = &doc;
}
else //describe feature xml not in cache. Create a new one
{
doc = createDescribeCoverageDocument( serverIface, project, version, request );
if ( cacheManager )
{
cacheManager->setCachedDocument( &doc, project, request, accessControl );
}
describeDocument = &doc;
}
response.setHeader( "Content-Type", "text/xml; charset=utf-8" );
response.write( describeDocument->toByteArray() );
}
/**
* Output WCS GetCapabilities response
*/
void writeGetCapabilities( QgsServerInterface *serverIface, const QgsProject *project, const QString &version,
const QgsServerRequest &request, QgsServerResponse &response )
{
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsAccessControl *accessControl = serverIface->accessControls();
#endif
QDomDocument doc;
const QDomDocument *capabilitiesDocument = nullptr;
#ifdef HAVE_SERVER_PYTHON_PLUGINS
QgsServerCacheManager *cacheManager = serverIface->cacheManager();
if ( cacheManager && cacheManager->getCachedDocument( &doc, project, request, accessControl ) )
{
capabilitiesDocument = &doc;
}
else //capabilities xml not in cache. Create a new one
{
doc = createGetCapabilitiesDocument( serverIface, project, version, request );
if ( cacheManager )
{
cacheManager->setCachedDocument( &doc, project, request, accessControl );
}
capabilitiesDocument = &doc;
}
#else
doc = createGetCapabilitiesDocument( serverIface, project, version, request );
#endif
response.setHeader( QStringLiteral( "Content-Type" ), QStringLiteral( "text/xml; charset=utf-8" ) );
response.write( capabilitiesDocument->toByteArray() );
}
void writeGetTile( QgsServerInterface *serverIface, const QgsProject *project,
const QString &version, const QgsServerRequest &request,
QgsServerResponse &response )
{
Q_UNUSED( version );
const QgsWmtsParameters params( QUrlQuery( request.url() ) );
// WMS query
QUrlQuery query = translateWmtsParamToWmsQueryItem( QStringLiteral( "GetMap" ), params, project, serverIface );
// Get cached image
QgsAccessControl *accessControl = serverIface->accessControls();
QgsServerCacheManager *cacheManager = serverIface->cacheManager();
if ( cacheManager )
{
QgsWmtsParameters::Format f = params.format();
QString contentType;
QString saveFormat;
std::unique_ptr<QImage> image;
if ( f == QgsWmtsParameters::Format::JPG )
{
contentType = QStringLiteral( "image/jpeg" );
saveFormat = QStringLiteral( "JPEG" );
image = qgis::make_unique<QImage>( 256, 256, QImage::Format_RGB32 );
}
else
{
contentType = QStringLiteral( "image/png" );
saveFormat = QStringLiteral( "PNG" );
image = qgis::make_unique<QImage>( 256, 256, QImage::Format_ARGB32_Premultiplied );
}
QByteArray content = cacheManager->getCachedImage( project, request, accessControl );
if ( !content.isEmpty() && image->loadFromData( content ) )
{
response.setHeader( QStringLiteral( "Content-Type" ), contentType );
image->save( response.io(), qPrintable( saveFormat ) );
return;
}
}
QgsServerParameters wmsParams( query );
QgsServerRequest wmsRequest( "?" + query.query( QUrl::FullyDecoded ) );
QgsService *service = serverIface->serviceRegistry()->getService( wmsParams.service(), wmsParams.version() );
service->executeRequest( wmsRequest, response, project );
if ( cacheManager )
{
QByteArray content = response.data();
if ( !content.isEmpty() )
cacheManager->setCachedImage( &content, project, request, accessControl );
}
}
